Pellicle compositions and pellicles thereof for projection print

Details Pellicle compositions and pellicles thereof for projection print Pellicle compositions and pellicles thereof for projection print

1983-03-22

1985-02-12

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524500, 355 75, C08L 8300

Patent

active

044992319

ABSTRACT:
A pellicle for use in projection printing comprises a pellicle in which the transparent film is formed from a polyvinyl butyral resin or from a casting composition which is a mixture of a polyvinyl butyral resin and a dispersion of colloidal silica and a silicone resin which is a lower aliphatic alcohol-water solution of the partial condensate of a silanol. A pellicle employing such films are useful in the near, mid and deep UV regions.

REFERENCES:
patent: 3294709 (1966-12-01), Nitzsche et al.
patent: 3986997 (1976-10-01), Clark

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